tomography
noun
to·mog·ra·phy
tō-ˈmä-grə-fē 
: a method of producing a three-dimensional image of the internal structures of a solid object (such as the human body or the earth) by the observation and recording of the differences in the effects on the passage of waves of energy impinging on those structures compare computed tomography
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The device now captures both muon energy and scattering angles, which are two parameters that dramatically improve image quality compared to previous muon tomography systems, which typically record only one.
—
Georgina Jedikovska, Interesting Engineering, 29 Aug. 2025
Other imaging tests: Your doctor may recommend a magnetic resonance imaging (MRI) scan or a positron emission tomography (PET) scan to help determine how far the cancer has spread.
—Carrie Madormo, Health, 2 Aug. 2025
That's essentially what geologists did using seismic tomography, a technique that tracks how earthquake waves travel through different layers of the planet.
—Lucy Notarantonio, MSNBC Newsweek, 29 July 2025
The scanner relies on synchrotron tomography, an advanced imaging method that uses hard X-rays to compile 3D representations of an object, beginning at the microscopic level.
—Andrew Paul Jul 24, Popular Science, 24 July 2025
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Georgina Jedikovska, Interesting Engineering, 29 Aug. 2025
Other imaging tests: Your doctor may recommend a magnetic resonance imaging (MRI) scan or a positron emission tomography (PET) scan to help determine how far the cancer has spread.
—Carrie Madormo, Health, 2 Aug. 2025
That's essentially what geologists did using seismic tomography, a technique that tracks how earthquake waves travel through different layers of the planet.
—Lucy Notarantonio, MSNBC Newsweek, 29 July 2025
The scanner relies on synchrotron tomography, an advanced imaging method that uses hard X-rays to compile 3D representations of an object, beginning at the microscopic level.
—Andrew Paul Jul 24, Popular Science, 24 July 2025
See All Example Sentences for tomography
Cite this Entry
“Tomography.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tomography. Accessed 10 Sep. 2025.
Copy CitationMedical Definition
tomography
noun
to·mog·ra·phy
tō-ˈmäg-rə-fē
plural tomographies
: a method of producing a three-dimensional image of the internal structures of a solid object (as the human body) by the observation and recording of the differences in the effects on the passage of waves of energy impinging on those structures
called also stratigraphy
see computed tomography, positron-emission tomographyLove words? Need even more definitions?
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